Start center: Use the welcome text that was agreed by UX / design team.
Start center: Use the welcome text that was agreed by UX / design team.

Change-Id: I1af05f68ef7c2a10209f138e59a9245d3d1ac081

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core